ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,481, issued on April 22, was assigned to VALINGE INNOVATION AB (Viken, Sweden).
"Building panel" was invented by Roger Ylikangas (Lerberget, Sweden), Anders Nilsson (Helsingborg, Sweden) and Karl Quist (Hoganas, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "Building panels, such as a floor or wall panels. The panels include a first mechanical locking system include a first locking strip at one of the third edge or fourth edge configured to cooperate for horizontal locking with a first locking groove at the other of the third or fourth edge of an adjacent building panel, preferably by means of a folding motion, and a second locking system incl...